Gmail's contact manager now de-dupes en masse
Gmail on Tuesday introduced a new feature that lets users remove every single duplicate contact entry at once. Previously, users had to go through their address book one at a time--a process that could be both tedious and time-consuming.
The new system runs a simple scan on your contacts, and provides a one-button solution that will merge the information for each contact. This is a non-destructive method, and the same that's carried out each time you run the normal duplicate checker. Contacts with multiple e-mail addresses just show up as the same contact in Gmail's auto-complete suggestions.
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